package com.example.lotterysystem.dao.mapper;

import com.example.lotterysystem.dao.dataobject.PrizeDO;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface PrizeMapper {
    @Insert("insert into prize (name, description, price, image_url)" +
            " values (#{name}, #{description}, #{price}, #{imageUrl})")
    @Options(useGeneratedKeys = true, keyProperty = "id", keyColumn = "id")
    int insert(PrizeDO priceDO);

    @Select("select count(1) from prize")
    int count();

    @Select("select * from prize order by id desc limit #{offset}, #{pageSize}")
    List<PrizeDO> selectPrizeList(@Param("offset") Integer offset, @Param("pageSize") Integer pageSize);


    @Select("<script>" +
            " select id " +
            " from prize " +
            " where id in " +
            " <foreach item = 'item' collection='items' open='(' separator=',' close=')'> " +
            " #{item}" +
            " </foreach>" +
            " </script>")
    List<Long> selectExistByIds(@Param("items") List<Long> prizeIds);


    @Select("<script>" +
            " select * " +
            " from prize " +
            " where id in " +
            " <foreach item = 'item' collection='items' open='(' separator=',' close=')'> " +
            " #{item}" +
            " </foreach>" +
            " </script>")
    List<PrizeDO> batchSelectByIds(@Param("items") List<Long> ids);

    @Select("select * from prize where id = #{id}")
    PrizeDO selectById(@Param("id") Long prizeId);
}
